804385937 has 2 divisors, whose sum is σ = 804385938. Its totient is φ = 804385936.

The previous prime is 804385931. The next prime is 804385943. The reversal of 804385937 is 739583408.

It is a balanced prime because it is at equal distance from previous prime (804385931) and next prime (804385943).

It can be written as a sum of positive squares in only one way, i.e., 712302721 + 92083216 = 26689^2 + 9596^2 .

It is a cyclic number.

It is not a de Polignac number, because 804385937 - 2⁴ = 804385921 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 804385891 and 804385900.

It is not a weakly prime, because it can be changed into another prime (804385931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 402192968 + 402192969.

It is an arithmetic number, because the mean of its divisors is an integer number (402192969).

Almost surely, 2^804385937 is an apocalyptic number.

It is an amenable number.

804385937 is a deficient number, since it is larger than the sum of its proper divisors (1).

804385937 is an equidigital number, since it uses as much as digits as its factorization.

804385937 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 725760, while the sum is 47.

The square root of 804385937 is about 28361.6984152924. The cubic root of 804385937 is about 930.0111522153.

The spelling of 804385937 in words is "eight hundred four million, three hundred eighty-five thousand, nine hundred thirty-seven".